AirHint found the following cheapest one-way flights from Atlanta (ATL) to San Juan (SJU) in March 2026 (see full year).
One-Way flights
| 03 Mar | Spirit Airlines | direct | |
| 09 Mar | Frontier Airlines | ||
| 28 Mar | Frontier Airlines | direct | |
| 09 Mar | Delta | direct |
Also check the deals for return flights from Atlanta to San Juan in March.
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